Finding the Fourth Proportional to 2,291.34, 3,164.63 and 1,548.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,291.34 : 3,164.63 = 1,548.37 : x
2. Step 2: Convert to fraction form
   2,291.34/3,164.63 = 1,548.37/x
3. Step 3: Cross multiply
   2,291.34x = 3,164.63 × 1,548.37
4. Step 4: Simplify right side
   2,291.34x = 4,900,018.15
5. Step 5: Solve for x
   x = 4,900,018.15/2,291.34
6. Step 6: Final answer
   x = 2,138.49